mirror of
https://github.com/godotengine/godot
synced 2024-09-05 02:48:34 +00:00
321 lines
11 KiB
C++
321 lines
11 KiB
C++
/**************************************************************************/
|
|
/* audio_stream_player_internal.cpp */
|
|
/**************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/**************************************************************************/
|
|
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/**************************************************************************/
|
|
|
|
#include "audio_stream_player_internal.h"
|
|
|
|
#include "scene/main/node.h"
|
|
#include "servers/audio/audio_stream.h"
|
|
|
|
void AudioStreamPlayerInternal::_set_process(bool p_enabled) {
|
|
if (physical) {
|
|
node->set_physics_process_internal(p_enabled);
|
|
} else {
|
|
node->set_process_internal(p_enabled);
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::_update_stream_parameters() {
|
|
if (stream.is_null()) {
|
|
return;
|
|
}
|
|
|
|
List<AudioStream::Parameter> parameters;
|
|
stream->get_parameter_list(¶meters);
|
|
for (const AudioStream::Parameter &K : parameters) {
|
|
const PropertyInfo &pi = K.property;
|
|
StringName key = PARAM_PREFIX + pi.name;
|
|
if (!playback_parameters.has(key)) {
|
|
ParameterData pd;
|
|
pd.path = pi.name;
|
|
pd.value = K.default_value;
|
|
playback_parameters.insert(key, pd);
|
|
}
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::process() {
|
|
Vector<Ref<AudioStreamPlayback>> playbacks_to_remove;
|
|
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
if (playback.is_valid() && !AudioServer::get_singleton()->is_playback_active(playback) && !AudioServer::get_singleton()->is_playback_paused(playback)) {
|
|
playbacks_to_remove.push_back(playback);
|
|
}
|
|
}
|
|
// Now go through and remove playbacks that have finished. Removing elements from a Vector in a range based for is asking for trouble.
|
|
for (Ref<AudioStreamPlayback> &playback : playbacks_to_remove) {
|
|
stream_playbacks.erase(playback);
|
|
}
|
|
if (!playbacks_to_remove.is_empty() && stream_playbacks.is_empty()) {
|
|
// This node is no longer actively playing audio.
|
|
active.clear();
|
|
_set_process(false);
|
|
}
|
|
if (!playbacks_to_remove.is_empty()) {
|
|
node->emit_signal(SceneStringName(finished));
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::ensure_playback_limit() {
|
|
while (stream_playbacks.size() > max_polyphony) {
|
|
AudioServer::get_singleton()->stop_playback_stream(stream_playbacks[0]);
|
|
stream_playbacks.remove_at(0);
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::notification(int p_what) {
|
|
switch (p_what) {
|
|
case Node::NOTIFICATION_ENTER_TREE: {
|
|
if (autoplay && !Engine::get_singleton()->is_editor_hint()) {
|
|
play_callable.call(0.0);
|
|
}
|
|
set_stream_paused(!node->can_process());
|
|
} break;
|
|
|
|
case Node::NOTIFICATION_EXIT_TREE: {
|
|
set_stream_paused(true);
|
|
} break;
|
|
|
|
case Node::NOTIFICATION_INTERNAL_PROCESS: {
|
|
process();
|
|
} break;
|
|
|
|
case Node::NOTIFICATION_PREDELETE: {
|
|
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
AudioServer::get_singleton()->stop_playback_stream(playback);
|
|
}
|
|
stream_playbacks.clear();
|
|
} break;
|
|
|
|
case Node::NOTIFICATION_PAUSED: {
|
|
if (!node->can_process()) {
|
|
// Node can't process so we start fading out to silence
|
|
set_stream_paused(true);
|
|
}
|
|
} break;
|
|
|
|
case Node::NOTIFICATION_UNPAUSED: {
|
|
set_stream_paused(false);
|
|
} break;
|
|
}
|
|
}
|
|
|
|
Ref<AudioStreamPlayback> AudioStreamPlayerInternal::play_basic() {
|
|
Ref<AudioStreamPlayback> stream_playback;
|
|
if (stream.is_null()) {
|
|
return stream_playback;
|
|
}
|
|
ERR_FAIL_COND_V_MSG(!node->is_inside_tree(), stream_playback, "Playback can only happen when a node is inside the scene tree");
|
|
if (stream->is_monophonic() && is_playing()) {
|
|
stop();
|
|
}
|
|
stream_playback = stream->instantiate_playback();
|
|
ERR_FAIL_COND_V_MSG(stream_playback.is_null(), stream_playback, "Failed to instantiate playback.");
|
|
|
|
for (const KeyValue<StringName, ParameterData> &K : playback_parameters) {
|
|
stream_playback->set_parameter(K.value.path, K.value.value);
|
|
}
|
|
|
|
stream_playbacks.push_back(stream_playback);
|
|
active.set();
|
|
_set_process(true);
|
|
return stream_playback;
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::set_stream_paused(bool p_pause) {
|
|
// TODO this does not have perfect recall, fix that maybe? If there are zero playbacks registered with the AudioServer, this bool isn't persisted.
|
|
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
AudioServer::get_singleton()->set_playback_paused(playback, p_pause);
|
|
}
|
|
}
|
|
|
|
bool AudioStreamPlayerInternal::get_stream_paused() const {
|
|
// There's currently no way to pause some playback streams but not others. Check the first and don't bother looking at the rest.
|
|
if (!stream_playbacks.is_empty()) {
|
|
return AudioServer::get_singleton()->is_playback_paused(stream_playbacks[0]);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::validate_property(PropertyInfo &p_property) const {
|
|
if (p_property.name == "bus") {
|
|
String options;
|
|
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
|
|
if (i > 0) {
|
|
options += ",";
|
|
}
|
|
String name = AudioServer::get_singleton()->get_bus_name(i);
|
|
options += name;
|
|
}
|
|
|
|
p_property.hint_string = options;
|
|
}
|
|
}
|
|
|
|
bool AudioStreamPlayerInternal::set(const StringName &p_name, const Variant &p_value) {
|
|
ParameterData *pd = playback_parameters.getptr(p_name);
|
|
if (!pd) {
|
|
return false;
|
|
}
|
|
pd->value = p_value;
|
|
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
playback->set_parameter(pd->path, pd->value);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool AudioStreamPlayerInternal::get(const StringName &p_name, Variant &r_ret) const {
|
|
const ParameterData *pd = playback_parameters.getptr(p_name);
|
|
if (!pd) {
|
|
return false;
|
|
}
|
|
r_ret = pd->value;
|
|
return true;
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::get_property_list(List<PropertyInfo> *p_list) const {
|
|
if (stream.is_null()) {
|
|
return;
|
|
}
|
|
List<AudioStream::Parameter> parameters;
|
|
stream->get_parameter_list(¶meters);
|
|
for (const AudioStream::Parameter &K : parameters) {
|
|
PropertyInfo pi = K.property;
|
|
pi.name = PARAM_PREFIX + pi.name;
|
|
|
|
const ParameterData *pd = playback_parameters.getptr(pi.name);
|
|
if (pd && pd->value == K.default_value) {
|
|
pi.usage &= ~PROPERTY_USAGE_STORAGE;
|
|
}
|
|
|
|
p_list->push_back(pi);
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::set_stream(Ref<AudioStream> p_stream) {
|
|
if (stream.is_valid()) {
|
|
stream->disconnect(SNAME("parameter_list_changed"), callable_mp(this, &AudioStreamPlayerInternal::_update_stream_parameters));
|
|
}
|
|
stop();
|
|
stream = p_stream;
|
|
_update_stream_parameters();
|
|
if (stream.is_valid()) {
|
|
stream->connect(SNAME("parameter_list_changed"), callable_mp(this, &AudioStreamPlayerInternal::_update_stream_parameters));
|
|
}
|
|
node->notify_property_list_changed();
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::seek(float p_seconds) {
|
|
if (is_playing()) {
|
|
stop();
|
|
play_callable.call(p_seconds);
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::stop() {
|
|
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
AudioServer::get_singleton()->stop_playback_stream(playback);
|
|
}
|
|
stream_playbacks.clear();
|
|
active.clear();
|
|
_set_process(false);
|
|
}
|
|
|
|
bool AudioStreamPlayerInternal::is_playing() const {
|
|
for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
if (AudioServer::get_singleton()->is_playback_active(playback)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
float AudioStreamPlayerInternal::get_playback_position() {
|
|
// Return the playback position of the most recently started playback stream.
|
|
if (!stream_playbacks.is_empty()) {
|
|
return AudioServer::get_singleton()->get_playback_position(stream_playbacks[stream_playbacks.size() - 1]);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::set_playing(bool p_enable) {
|
|
if (p_enable) {
|
|
play_callable.call(0.0);
|
|
} else {
|
|
stop();
|
|
}
|
|
}
|
|
|
|
bool AudioStreamPlayerInternal::is_active() const {
|
|
return active.is_set();
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::set_pitch_scale(float p_pitch_scale) {
|
|
ERR_FAIL_COND(p_pitch_scale <= 0.0);
|
|
pitch_scale = p_pitch_scale;
|
|
|
|
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
AudioServer::get_singleton()->set_playback_pitch_scale(playback, pitch_scale);
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayerInternal::set_max_polyphony(int p_max_polyphony) {
|
|
if (p_max_polyphony > 0) {
|
|
max_polyphony = p_max_polyphony;
|
|
}
|
|
}
|
|
|
|
bool AudioStreamPlayerInternal::has_stream_playback() {
|
|
return !stream_playbacks.is_empty();
|
|
}
|
|
|
|
Ref<AudioStreamPlayback> AudioStreamPlayerInternal::get_stream_playback() {
|
|
ERR_FAIL_COND_V_MSG(stream_playbacks.is_empty(), Ref<AudioStreamPlayback>(), "Player is inactive. Call play() before requesting get_stream_playback().");
|
|
return stream_playbacks[stream_playbacks.size() - 1];
|
|
}
|
|
|
|
StringName AudioStreamPlayerInternal::get_bus() const {
|
|
const String bus_name = bus;
|
|
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
|
|
if (AudioServer::get_singleton()->get_bus_name(i) == bus_name) {
|
|
return bus;
|
|
}
|
|
}
|
|
return SceneStringName(Master);
|
|
}
|
|
|
|
AudioStreamPlayerInternal::AudioStreamPlayerInternal(Node *p_node, const Callable &p_play_callable, bool p_physical) {
|
|
node = p_node;
|
|
play_callable = p_play_callable;
|
|
physical = p_physical;
|
|
bus = SceneStringName(Master);
|
|
|
|
AudioServer::get_singleton()->connect("bus_layout_changed", callable_mp((Object *)node, &Object::notify_property_list_changed));
|
|
AudioServer::get_singleton()->connect("bus_renamed", callable_mp((Object *)node, &Object::notify_property_list_changed).unbind(3));
|
|
}
|